Here's a breakdown:
* pa is the root of the verb.
* pibati is the third person singular form of the verb in the present tense and active voice.
Here are some other forms of the verb "pa" in different lakars:
* Past tense: apibad (third person singular, active voice)
* Future tense: pibisyati (third person singular, active voice)
* Imperative: piba (second person singular, active voice)
It's important to note that Sanskrit grammar can be quite complex, with different forms depending on voice, tense, person, and number. There are also different types of lakars (tenses) in Sanskrit, so the specific form of a verb will vary depending on the context.